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A ball is attached to a center post by a string that is 0.378 m long. The ball is moving in a circle on a frictionless table top at a speed of 1.25 m/s with a radius of 0.378 m. The centripetal force refers to the NET force acting on the ball. The only force pulling the ball towards the center of the circle is the tension of the string. What is the tension in the string if the ball is traveling at 1.25 m/s in a circle of radius 0.378 m?
modern vacuum pumps make it easy to attain pressures of the order of 10?13atm in the laboratory.part aat a pressure of
A steel ball bearing 7.00mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
River Pascal with a volume flow rate of 3.4x10^5 L/s joins with river Archimedes, which carries 1.12x10^6 L/s, to form the Bernoulli River. What is the speed of the water in the Bernoulli River
The surface tension of water is 0.0730 N/m. What is the height of the water in a capillary tube of diameter 1.00 mm
Astronauts put their spaceship into orbit about a planet. How far above the planet's surface are they orbiting
A spherical pinball, initially at rest, rolls down a ramp inclined at 18 degrees relative to horizontal. Determine the translational speed after 3 seconds
Short pulses of laser light traveling in the x-direction with a diameter of 1 mm are incident on a perfect mirror. The pulses are 10^-13 seconds long and have a repetition rate of 10 Hz, each with an energy of 1 mJ.
A hospital needs 1 millicurie of a radioactive pharmaceutical with a half-life of 12 hours. If delivery time takes 3 days, what activity must be shipped to the hospital by the supplier
If you throw a .038 kg ball at a speed of 10.9 m/s and at an angle of 43.5 above the horizontal from a 14.8m high building, what will its kinetic energy be when it hits the ground
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.01 m and r1,y = -2.99 m in a lettuce garden to another location, What are the components and the magnitude of the turtle\'s average velocity
what is the rotational inertia of a solid iron disk of mass 48 kg with a thickness of 3.57 cm and radius of 19.5 cm
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